Anaerobic Digestion at Wastewater Treatment Plants Regulatory Issues Bureau of Resource Protection...
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Transcript of Anaerobic Digestion at Wastewater Treatment Plants Regulatory Issues Bureau of Resource Protection...
Anaerobic Digestion Anaerobic Digestion at Wastewater at Wastewater Treatment PlantsTreatment Plants
Regulatory IssuesRegulatory IssuesBureau of Resource Bureau of Resource ProtectionProtection
April 2011
GoalsGoalsPRIMARY
◦ Effluent that meets permit limits
◦ Proper operation of treatment (AD) unit
◦ Minimize nuisance potential
◦ Promote beneficial reuse of wastewater residuals
SECONDARY ◦ Optimize energy
production ◦ Secure consistent
municipal revenue stream
Regulatory ChangesRegulatory ChangesRevisions to 314 CMR 12.00 –
Operation & Maintenance Regulations◦Allow a POTW to accept SSO at
sludge-only anaerobic digesters with Department approval
◦Clarify requirement for Department approval of the O&M Manual
◦New reporting requirements for SSO
Approval ProcessApproval ProcessSubmission of
Engineering Report◦Design criteria, disposition
of residuals, certificationOperational &
Maintenance Manual Revisions◦Add facilities, changes to
existing facilities, schedules, staffing changes
Reporting Requirements◦Maintain adequate records
of source & volume of approved SSO
Additional ConsiderationsAdditional ConsiderationsTraining Program for operatorsQA/QC ProgramContingency Plan